Acid-base-responsive intense charge-transfer emission in donor-acceptor-conjugated fluorophores
Herein we report on the synthesis and acid-responsive emission properties of donor-acceptor (D-A) molecules that contain a thienothiophene unit. 2-Arylthieno[3,2-b]thiophenes were conjugated with an N-methylbenzimidazole unit to form acid-responsive D-A-t
Palladium-catalyzed C-S coupling: Access to thioethers, benzo[b]thiophenes, and thieno[3,2-b]thiophenes
The first C-S bond formation/cross-coupling/cyclization domino reaction using thiourea as a cheap and easy to handle dihydrosulfide surrogate has been developed. Structurally important biarylthioether, benzo[b]thiophenes, and thieno[3,2-b]thiophene scaffolds are provided in high yield.
Kuhn, Marius,Falk, Florian C.,Paradies, Jan
p. 4100 - 4103
(2011/10/08)
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